Table 2.
Percentage of white sucker with specific abnormalities collected within the St. Louis River area of concern (AOC)
| Abnormality | Superior Bay (C) | St. Louis Bay (AB) | Upper estuary (D) | Upper AOC (E) | Total (%) |
|---|---|---|---|---|---|
| Raised skin lesions | |||||
| Body surface/fins | 10 | 42 | 28 | 38 | 29.0 |
| Lips | 0 | 2 | 4 | 0 | 1.5 |
| Total | 10 | 44 | 32 | 38 | 31.0 |
| Skin neoplasia | |||||
| Papilloma | 0 | 12 | 4 | 2 | 4.5 |
| Liver | |||||
| Altered foci | 8 | 6 | 4 | 0 | 4.5 |
| Bile duct proliferation | 52 | 40 | 58 | 46 | 49.0 |
| Cholangioma | 2 | 2 | 2 | 0 | 1.5 |
| Cholangiocarcinoma | 2 | 2 | 4 | 4 | 3.0 |
| Total liver neoplasms | 4 | 4 | 6 | 4 | 4.5 |
Sample size for each site was 50
Bold values indicate totals for each major category